linux-kernel - Re: [PATCH] xfs: #define out unused parameters for seven functions in xfs

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Message-ID: <20080422224721.GX108924158@sgi.com>
Date:	Wed, 23 Apr 2008 08:47:21 +1000
From:	David Chinner <dgc@....com>
To:	Denys Vlasenko <vda.linux@...glemail.com>
Cc:	David Chinner <dgc@....com>, Eric Sandeen <sandeen@...deen.net>,
	Adrian Bunk <bunk@...nel.org>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Shawn Bohrer <shawn.bohrer@...il.com>,
	Ingo Molnar <mingo@...e.hu>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Arjan van de Ven <arjan@...radead.org>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH] xfs: #define out unused parameters for seven functions in xfs_trans.h

On Tue, Apr 22, 2008 at 01:51:03PM +0200, Denys Vlasenko wrote:
> [ resend: now with patch attached! :) ]
> 
> Hi David,
> 
> Seven xfs_trans_XXX functions declared in xfs_trans.h
> are not using "tp" parameter in non-debug builds,
> but it still takes stack space since these functions
> are not static and gcc cannot optimize it out.

Same as my last comments - I don't think the savings are
worth the additional clutter it introduces.

Cheers,

Dave.
-- 
Dave Chinner
Principal Engineer
SGI Australian Software Group
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